基于ANSYS的整体叶盘结构优化设计

陆山; 鲁冯杰

基于ANSYS的整体叶盘结构优化设计

陆山,
鲁冯杰

西北工业大学动力与能源学院,西安 710072

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出版历程
- 收稿日期: 2011-07-14
- 刊出日期: 2012-06-28

Structure optimization design for blisk based on ANSYS

School of Power and Energy, Northwestern Polytechnical University,Xi'an 710072,China

摘要

摘要: 为保证整体叶盘结构在安全工作条件下质量最轻,基于ANSYS优化平台,建立了整体叶盘三维参数化模型及结构优化设计数学模型,完成了整体叶盘结构的优化设计.首先结合相关静强度设计准则及方法,在给定轮缘分布载荷条件下对轮盘子午面进行优化.然后建立整体叶盘三维模型,并对子午面优化中未考虑的轮缘关键尺寸如轮缘厚度、喉道倒角、叶根倒角进行三维局部优化.在三维优化中总结出了盘喉道和叶根最大等效应力与各优化参数之间的关系.分两步实施的整个轮盘优化过程仅需3~4h.
- 整体叶盘 /
- 结构优化设计 /
- ANSYS /
- 子午面形状优化 /
- 三维优化
Abstract: In order to get the lightest weight of the blisk under the safety working condition,the three-dimensional (3-D) parametric model of the blisk and the mathematical model of the structure optimization design were built.Then the structure optimization design of blisk was completed based on ANSYS platform.In conjunction with the relevant design principles and methods,the disk's meridian plane was firstly optimized to meet the structural design strength criterion,and then the 3-D model of the blisk was built with the chamfer at blade root and 3-D optimization was perform on the design parameters for example,the thickness of the rim,the chamfer at blade root and the dish hub.The effect of each design variable on the Von Mises stress at the chamfer of blade root and at the dish hub was summarized.The whole optimization process only took about three to four hours.
- blisk /
- the structure optimization design /
- ANSYS /
- optimization of the meridian plane's outline /
- three-dimensional optimization

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参考文献(15)

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